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          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
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    <title>Document</title>
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<body>

</body>
</html>
<script>
    function People(name,age) {
        this.name = name;
        this.age = age;
    }

    var p1 = new People("liushikun",13);
    var p2 = new People("zhaoliu",18);
    console.log(p1,p2);
    // console.log(this.alert(123))
</script>